SB2025100830 - Multiple vulnerabilities in 7-Zip
Published: October 8, 2025 Updated: November 28, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Path traversal (CVE-ID: CVE-2025-11001)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences within the handling of symbolic links in ZIP files. A remote attacker can send a specially crafted HTTP request and upload arbitrary files on the system, leading to arbitrary code execution.
2) Path traversal (CVE-ID: CVE-2025-11002)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences within the handling of symbolic links in ZIP files. A remote attacker can send a specially crafted HTTP request and upload arbitrary files on the system, leading to arbitrary code execution.
3) NULL pointer dereference (CVE-ID: CVE-2025-53817)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the Compound handler. A remote attacker can trick the victim into opening a specially crafted archive and crash the application.
Remediation
Install update from vendor's website.